1. ______________ is known as one of the most serious problems in today’s society. We can see it almost everywhere. As the graph depicts, ______________ .
        2. From the cartoon, we can see that. It’s a forceful satire on the kind of ______________ .
        3. From the first graph, we learn that ______________. According to the statistics shown in the second graph, we can see that ______________.
        4. This table shown us that ______________. The figures indicate that there is an inspiring tendency of ______________.
        5. What you first think of when seeing this cartoon might be that ______________. As a matter of fact, this cartoon reveals a typical social phenomenon.
        6. According to the first graph, it can be seen that ______________, it can also be concluded from it that ______________.
        7. There is an interesting and instructive picture which goes like this: ______________.
        8. Nowadays there is a growing concern over ______________. Many people like ______________, while others are inclined to ______________.
        9. Nowadays, it is common to ______________. Many people like ______________ because ______________. Besides, ______________.
        10. ______________, just like many other things, are preferred by ______________. While being attacked by the idea that ______________, some people consider ______________. They point that ______________.
        11. Everything has two sides and ______________ is not an exception, it has both advantages and disadvantages.
        12. For years ______________ had been viewed as ______________. But people are taking a fresh look at it now.
        13. It has stipulated by the government that ______________. To this stipulation, many people respond actively because ______________.
        14. ______________ is a common occurrence in our daily life. Whatever we do, ______________ can’t be avoided.
        15. ______________ has become a hot topic among people, especially among the young, and heated debates are right on their way.
        16. Recently, ______________ has become the focus of the society, and in this way.. People swarm to ______________.
        17. ______________ has been playing an increasingly important role in our day-to-day life. It has brought us a lot of benefits but created some serious problems as well.
        18. Man is now facing a big problem-______________, which is becoming more and more serious. First, ______________ second, ______________.
        19. Nowadays more and more people are beginning to be aware of the seriousness of ______________.
        20. It is only during the last years that man has become generally aware that ______________.
        21. There is an old saying, ______________. It’s the experience of our forefathers, however, it is correct in many cases ever today.
        22. The English proverb says, ______________. This is quite true because ______________.
        23. ______________ is now______________, and at the same time ______________. These two factors have caused ______________. Then what shall we do to solve ______________ in the face of such a situation.
        24. One of our ancient philosophers said, ______________. Chinese people have always been holding this idea to be one of their standards of morality.
        25. One of the great early writers said that ______________. If this is true, the present situation should make us ponder over ______________.